SiC JFETs Modular Cascaded Method with Active Clamp Control Strategy for DC Solid-State Circuit Breaker

Hong Duan; Wei Wang; Zhikang Shuai; Dong He; Daixin Chen; Z. John Shen

doi:10.17775/CSEEJPES.2021.05080

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SiC JFETs Modular Cascaded Method with Active Clamp Control Strategy for DC Solid-State Circuit Breaker

Regular Papers | 更新时间：2026-10-15

- SiC JFETs Modular Cascaded Method with Active Clamp Control Strategy for DC Solid-State Circuit Breaker
- CSEE Journal of Power and Energy Systems Vol. 9, Issue 6, Pages: 2435-2446(2023)
- 作者机构：
  
  1. College of Electrical and Information Engineering, Hunan University,Changsha,China
  2. Department of Electrical and Computer Engineering, Illinois Institute of Technology,IL,Chicago,USA
- 作者简介：
- 基金信息：
- DOI：10.17775/CSEEJPES.2021.05080
  CLC：
- Published：01 November 2023
- 稿件说明：
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Hong Duan, Wei Wang, Zhikang Shuai, et al. SiC JFETs Modular Cascaded Method with Active Clamp Control Strategy for DC Solid-State Circuit Breaker[J]. CSEE Journal of Power and Energy Systems, 2023, 9(6): 2435-2446.
DOI：

Hong Duan, Wei Wang, Zhikang Shuai, et al. SiC JFETs Modular Cascaded Method with Active Clamp Control Strategy for DC Solid-State Circuit Breaker[J]. CSEE Journal of Power and Energy Systems, 2023, 9(6): 2435-2446. DOI： 10.17775/CSEEJPES.2021.05080.

摘要

Abstract

Power semiconductor devices cascaded topology is one of the most common solutions for solid-state circuit breakers (SSCBs) working in medium-voltage DC systems. However

when the number of cascaded devices is large

current series technologies of power semiconductor devices will be difficult to be applied since with uneven voltage sharing problems. Thus

this paper proposes a novel cascade method of multi-SiC JFETs based on modules cascaded. This method consists of two parts: one is a single-gate driver cascaded SiC JFETs topology which is used to form the module

the other one is an active clamp control strategy which ensures that each module is protected from overvoltage when modules are cascaded. The proposed cascade method can effectively suppress voltage overshoot of cascading power devices in the switching process. Based on the proposed cascade method

a 5kV/63A SSCB prototype is designed. Finally

an experiment is conducted based on the designed SSCB. Experimental results validate the effectiveness of the proposed cascaded method for SSCB.

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